@Chebhou's comment above solved the issue.

The tilt of individual (or all) points on a curve can be adjusted by highlighting the relevant control points and pressing Ctrl+T followed by making the adjustment.

When you are using another object with a curve modifier this will adjust the orientation of that object as it follows the curve.

The tilt of individual (or all) points on a curve can be adjusted by highlighting the relevant control points and pressing Ctrl+T followed by making the adjustment.

When you are using another object with a curve modifier this will adjust the orientation of that object as it follows the curve.

The answer lies in the comment made by Chebhou. The "tilt" of individual (or all) points on a curve can be adjusted be highlighting the relevant control points and pressing Control+T followed by making the adjustment.

When you are using another object with a curve modifier this will adjust the orientation of that object as it follows the curve.

Problem solved.

@Chebhou's comment above solved the issue.

The tilt of individual (or all) points on a curve can be adjusted by highlighting the relevant control points and pressing Ctrl+T followed by making the adjustment.

When you are using another object with a curve modifier this will adjust the orientation of that object as it follows the curve.